(19)
(11) EP 1 202 752 A1

(12)

(43) Date of publication:
08.05.2002 Bulletin 2002/19

(21) Application number: 00943384.8

(22) Date of filing: 05.07.2000
(51) International Patent Classification (IPC)7: A61L 2/28, G06K 19/06
(86) International application number:
PCT/US0018/354
(87) International publication number:
WO 0110/472 (15.02.2001 Gazette 2001/07)
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 05.08.1999 US 368742

(71) Applicant: 3M Innovative Properties Company
Saint Paul, MN 55133-3427 (US)

(72) Inventor:
  • KIRCKOF, Steve, S.
    Saint Paul, MN 55133-3427 (US)

(74) Representative: VOSSIUS & PARTNER 
Siebertstrasse 4
81675 München
81675 München (DE)

   


(54) MACHINE READABLE STERILIZATION INDICATOR AND METHOD OF MONITORING ARTICLES TO BE STERILIZED